1390374984 has 32 divisors (see below), whose sum is σ = 3477647520. Its totient is φ = 463230336.

The previous prime is 1390374967. The next prime is 1390375111. The reversal of 1390374984 is 4894730931.

It is a happy number.

It is a super-2 number, since 2×1390374984² = 3866285192266000512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39724 + ... + 66020.

It is an arithmetic number, because the mean of its divisors is an integer number (108676485).

Almost surely, 2^1390374984 is an apocalyptic number.

It is an amenable number.

1390374984 is an abundant number, since it is smaller than the sum of its proper divisors (2087272536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1390374984 is a wasteful number, since it uses less digits than its factorization.

1390374984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28509 (or 28505 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 1390374984 is about 37287.7323526116. The cubic root of 1390374984 is about 1116.1193780392.

The spelling of 1390374984 in words is "one billion, three hundred ninety million, three hundred seventy-four thousand, nine hundred eighty-four".